Plug Power has been granted a patent for a method and system for electrochemically compressing hydrogen. The system includes a membrane electrode assembly with a polymer electrolyte membrane, an anode, a cathode, gas diffusion media, and a water management device for delivering water to the anode or cathode. GlobalData’s report on Plug Power gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Plug Power, Reformer integrated fuel cells was a key innovation area identified from patents. Plug Power's grant share as of February 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
Electrochemical device for compressing hydrogen gas
The granted patent (Publication Number: US11883779B2) describes an electrochemical device that includes a polymer electrolyte membrane with an anode and a cathode attached to its opposing faces. A gas diffusion medium allows gas flow, and a water management device, which is electrically non-conductive, permeable to liquids, and impermeable to gases, directly contacts the anode or cathode to deliver water. The device's components are arranged in a specific configuration to optimize water delivery and management within the system.
Furthermore, the patent details variations in the water management device, including different materials like solid polymer electrolytes and specific structures like undulating shapes. The device can be used as an electrochemical hydrogen compressor and includes features like anodic gas diffusion mediums and separators. The water management device can consist of multiple portions, each serving a specific function in delivering water to the anode or cathode. Overall, the patent outlines a novel electrochemical device design that enhances water management efficiency and performance in various applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
